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Application filed by K Arutjunov, V Rukhadze, V Kenigsberg, A JurovskyfiledCriticalK Arutjunov
Priority to FI181565ApriorityCriticalpatent/FI45385C/fi
Publication of FI45385BpublicationCriticalpatent/FI45385B/fi
Application grantedgrantedCritical
Publication of FI45385CpublicationCriticalpatent/FI45385C/fi